diff --git a/README b/README
index bc8206f..4bc1409 100644
--- a/README
+++ b/README
@@ -4,4 +4,4 @@ Put under public domain, except Server/strptime.{c,h} and Icons/*.
 
 http://nishi.boats/tewi
 
-Trac is at http://trac.nishi.boats/tewi
+Trac is at https://trac.nishi.boats/tewi